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【单选题】
要评价某市1名5岁男孩的体重是否偏偏矮，用的统计方法是什么？
A.
用该市 5 岁男孩体重的正常值范围来评价
B.
与该市另一名5岁男孩进行比较
C.
和 该市5岁男孩的 体重均数进行假设检验来评价
D.
用该市5岁男孩体重均数的可信区间来评价
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举一反三
【单选题】一个算法的时间代价取决于()。
A.
问题的规模
B.
待处理数据的初态
C.
计算机的配置
D.
A和B
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【判断题】阳极效应只发生在薄靶X线管。
A.
正确
B.
错误
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【判断题】汇兑业务根据汇出行与汇入行联系方式的不同分为信汇、电汇两种。（）
A.
正确
B.
错误
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【单选题】We are having a journey Hong Kong. Our plane at 7:00 a.m.
A.
for; puts off
B.
to; takes off
C.
for; gives off
D.
to; keeps off
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【单选题】-How was the journey to London? --__________.
A.
It went very well
B.
It was a nine-hour plane journey
C.
I was very well
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【简答题】Travelling is popular in modern life. The fastest way of travelling is to take a plane. With a modern airliner it takes one day to travel to places which took a month or more to get to a hundred years...
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【简答题】. The plane journey from Papa Westray to Westray in the Orkney Islands takes just 96 seconds, covering a distance of little over a mile. Six agers are to take the Loganair service to Westray Junio...
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【简答题】a plane journey to a faraway place ___________
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【判断题】汇兑业务根据汇出行与汇入行联系方式的不同分为信汇、电汇两种。（ ）
A.
正确
B.
错误
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【简答题】阅读理解。 Two men were sitting together in a plane.  They were on a long journey (旅行).One of them was a teacher. The other was a farmer. They sat without talking for a while, then the farmer said, Let's d...
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【单选题】一个算法的时间代价取决于()。
A.
问题的规模
B.
待处理数据的初态
C.
计算机的配置
D.
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【判断题】阳极效应只发生在薄靶X线管。
A.
正确
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A.
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B.
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C.
for; gives off
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查看完整题目与答案
【单选题】-How was the journey to London? --__________.
A.
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【简答题】. The plane journey from Papa Westray to Westray in the Orkney Islands takes just 96 seconds, covering a distance of little over a mile. Six agers are to take the Loganair service to Westray Junio...
查看完整题目与答案
【简答题】a plane journey to a faraway place ___________
查看完整题目与答案
【判断题】汇兑业务根据汇出行与汇入行联系方式的不同分为信汇、电汇两种。（ ）
A.
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B.
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查看完整题目与答案
【简答题】阅读理解。 Two men were sitting together in a plane.  They were on a long journey (旅行).One of them was a teacher. The other was a farmer. They sat without talking for a while, then the farmer said, Let's d...
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